#pragma once
#include <iostream>
#include <string>
#include <queue>
#include <pthread.h>
const int defaultcap = 5;
using namespace std;
template <class T>
class Blockqueue
{
private:
    bool IsFull() { return _q.size() >= _cap; }
    bool IsEmpty() { return _q.empty(); }

public:
    // 带参构造
    Blockqueue(int cap = defaultcap)
        : _cap(cap),
          _csleep_num(0),
          _psleep_num(0)
    {
        pthread_mutex_init(&_mutex, nullptr);
        pthread_cond_init(&_full_cond, nullptr);
        pthread_cond_init(&_empty_cond, nullptr);
    }

    ~Blockqueue()
    {
        pthread_mutex_destroy(&_mutex);
        pthread_cond_destroy(&_full_cond);
        pthread_cond_destroy(&_empty_cond);
    }
    void Equeue(const T &in)
    {
        pthread_mutex_lock(&_mutex);
        while (IsFull())
        {
            _psleep_num++;
            cout << "生产者进入休眠，数量：" << _psleep_num << endl;
            pthread_cond_wait(&_full_cond, &_mutex);
            _psleep_num--;
        }
        _q.push(in);
        if (_csleep_num > 0)
        {
            pthread_cond_signal(&_empty_cond);
            cout << "唤醒消费者。。。" << endl;
        }
        pthread_mutex_unlock(&_mutex);
    }
    T Pop()
    {
        pthread_mutex_lock(&_mutex);
        while (IsEmpty())
        {
            _csleep_num++;
            pthread_cond_wait(&_empty_cond, &_mutex);
            _csleep_num--;
        }
        T data = _q.front();
        _q.pop();
        if (_psleep_num > 0)
        {
            pthread_cond_signal(&_full_cond);
            cout << "唤醒消费者" << endl;
        }
        pthread_mutex_unlock(&_mutex);
        return data;
    }

private:
    queue<T> _q; // 临界资源
    int _cap;    // 容量大小
    pthread_mutex_t _mutex;
    pthread_cond_t _full_cond;
    pthread_cond_t _empty_cond;
    int _csleep_num; // 消费者休眠个数
    int _psleep_num; // 生产者休眠个数
};